pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.87	IUPAC digitized pKa	0	-1	O=C(O)c1ccccc1NCCO,O=C([O-])c1ccccc1[NH2+]CCO	O=C([O-])c1ccccc1NCCO	mol8456	O=C(O)c1ccccc1NCCO
2.05	IUPAC digitized pKa	1	0	O=C(O)c1ccccc1[NH2+]CCO	O=C(O)c1ccccc1NCCO,O=C([O-])c1ccccc1[NH2+]CCO	mol8456	O=C(O)c1ccccc1NCCO